Harrington, Stephanie, 1999, Occurrence and distribution of fish species in the Great and Little Miami River Basins, Ohio and Indiana, Pre-1900 to 1998: U.S. Geological Survey Water-Resources Investigations Report 99-4198, 15 p. Available Online

Harned, D.A., 1994, Pesticides in surface and ground water at four sites of intensive tobacco cultivation in the Piedmont of North Carolina: Proceedings of the American Water Resources Association, National Symposium on Water Quality, AWRA TPS-94-4, Chicago, Illinois, November, p. 275-283.

Hardgree, M., and McChesney, J., 1994, A selected bibliography on the hydrology of the Platte River Basin in Nebraska through 1991: U.S. Geological Survey Open-File Report 94-496, 80 p. Available Online

Hanson, Paul E., 2000, The relation of fish community composition to riparian cover and runoff potential in the Minnesota River Basin, Minnesota and Iowa, 1997: U.S. Geological Survey Fact Sheet FS-105-00, 4 p. Available Online

Hanson, Paul E., 1998, Pesticides and nitrates in surficial sand and gravel aquifers as related to modeled contamination susceptibility in part of the Upper Mississippi River Basin: U.S. Geological Survey Fact Sheet FS 107-98, 4 p. Available Online